MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
The most complete online medical dictionary: 16,436 terms covering anatomy, physiology, pathologies, diagnostic exams, pharmacology and every clinical specialty.
Designed for 3 kinds of users:
- Patients and family who want to understand a diagnosis, a medical report or instructions from a doctor.
- Students of medicine, nursing, physiotherapy and the health professions, dealing with technical terminology.
- Doctors, pharmacists and healthcare workers who need a quick and reliable reference.
Definitions are written in clear, accessible language while keeping the rigor required for professional use. Each term has a dedicated URL, instant autocomplete search, and can be shared on WhatsApp, Facebook, X and via email with one click.
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Disclaimer: the content is for informational and educational purposes only and does not replace medical advice. If you have doubts about your health, always consult a qualified professional. In case of emergency call your local emergency number (911 in the US, 112 in the EU).
Fourth ventricle
>Lateral ventricles: The lateral ventricles are in the cerebral hemispheres, one in each hemisphere. Each lateral ventricle consists of a triangular central body and four horns. The lateral ventricles communicate with the third ventricle…
Read the definitionRandom terms
Show more- Paul M. Zoll See: Zoll, Paul M.
- Perioperative Literally, around (the time of) surgery. More specifically, the period of time extending from when the…
- Acidosis Too much acid in the body, a distinctly abnormal condition resulting from the accumulation of acid or from…
- Bradyphrenia Slowed thought processes. Can be a side effect of certain psychiatric medications
- CHARGE association A constellation of congenital malformations (birth defects). The name of the condition is an acronym of some…
- HCV PCR genotype test See: HCV PCR
- Approved drug A medication approved for marketing. In the US, the Food and Drug Administration (FDA) must approve a…
- Anterior cruciate ligament A ligament in the knee that crosses from the underside of the femur (the thigh bone) to the top of the tibia…
- Cytology The medical and scientific study of cells. Cytology refers to a branch of pathology, the medical specialty…
- Retinoschisis, juvenile See: Juvenile retinoschisis
- Incision A cut. When making an incision, a surgeon is making a cut.
- Trichinella spiralis The worm that causes trichinosis. Trichinella spiralis larvae can infest pigs and wild game, hibernating in…